Finite Group Databasebeta

C2×#22551671 #30657800

order16448
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4

Aliases

direct productC2×#22551671
unambiguous semidirect productD257⋊#117

Splittings

FittingC22×C4×C257 ⋊ C4
SylowC257 ⋊ C2×#117

Subgroups

subgroupG/H
centerC2×C4C2×#11759967
commutatorC2×C257C23×C4
FrattiniC2C23×#11759967
FittingC22×C4×C257C4
socleC22×C257C22×C4
prime radicalC23×D257C22
cosocleC2×D257C24
hypercenterC22×C4#11759967
hypocenterC257C2×#117
LCSG ▷ C2×C257 ▷ C257
UCSC1 ◁ C2×C4 ◁ C22×C4

330 conjugacy classes of subgroups; only the 148 normal subgroups are shown.

normal subgroups only

This group has 330 conjugacy classes of subgroups — too many to draw. Only its 148 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4112

Conjugacy classes & character table

1064 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 1612);